| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] at [art] | 1028 |
|
| 2 | [adv] [v-ing] at [art] | 567 |
|
| 3 | [adv] [was/were] [v-ing] [art] | 63 |
|
| 4 | [adv] [was/were] at [art] | 19 |
|
| 5 | [adv] [was/were] [v-ing] at | 11 |
|
